Visit Internet 4 Classrooms for other great 2nd grade links!
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Three-Dimensional Shapes (lesson plan) - In this activity, students will identify shapes that architects use to build houses. Students will then explore these shapes by building a model of their "dream" home. |
| Geometry & Measurement (lesson plan) - After reading the book Flat Stanley the students will be able to determine the difference between two dimensional and three dimensional shapes. |
Plane Figures
| Describe the Shape - Students will learn to identify a square, triangle, rhombus, trapezoid, and hexagon. |
| Ladybug Adventures - students will use 45- and 90-degree angles to create triangles, and develop an understanding of the relationship between angles and the shape of triangle. Students use their knowledge of number, measurement and geometry to design a "virtual path" using two different angles to help a ladybug reach its hiding place under a leaf. |
| Tangrams - lesson plan in which student reproduce that figure made on the overhead. |
| Triangles and Rectangles - lesson plan, print activities, and tutorial from Riverdeep. |
Solid Figures
| Geometry Solid Figures - includes vocabulary and interactive activities. |
| Introduction to Common Solids - an introduction to solids |
| Building with Solid Shapes - decide which solids would be stable and check your answers. |
| Shape 3dA - a cool site where the goal is to identify the solid figure in the picture. |
| Three Dimensional Shapes - lesson plan, tutorial, and print activities from Riverdeep. |
Congruence/Similarity
| Geometry - printable worksheet where students create congruent figures on graph paper. |
| Congruent Triangles - focuses on triangles, but an excellent lesson for teaching congruency. |
| Similar Figures - a brief explanation of what similar figures are along with examples. |
| Congruence & Similarity - lesson plan containing excellent ideas. |
Symmetry
| Reflective Symmetry - discussion of reflection, symmetry, lines of symmetry. |
| Pattern Matching - In this unit children explore lines of symmetry in pictures, shapes and patterns and describe the symmetry by stating that the parts on either side of the line of symmetry are the same. |
| Reflections - create reflections on a grid at this site. |
| Symmetry - lesson plan including slide show. |
| Line Symmetry - teaches symmetry using pattern blocks. |
| Symmetry and Patterns - lesson plan and practice |
Visualization/Spatial Reasoning
| Spatial Concepts - a fun site covering several different spatial relationships |
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